Process for the preparation of a piperazine derivative
申请人:——
公开号:US20030153753A1
公开(公告)日:2003-08-14
(2R)-1-[3,5-bis(trifluoromethyl)benzoyl]-4-[2-[(2S)-2-(methoxymethyl)morpholino]ethyl]-2-(3-hydroxy-4-methylbenzyl)piperazine dihydrochloride is obtained by debenzylating (2R)-4-benzyl-1-[3,5-bis(trifluoromethyl)-benzoyl]-2-(3-hydroxy-4-methylbenzyl)piperazine, then N-alkylating and converting to hydrochloride.
PROCESS FOR THE PREPARATION OF A PIPERAZINE DERIVATIVE
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP1295882A1
公开(公告)日:2003-03-26
(2R)-1-[3,5-bis(trifluoromethyl)benzoyl]-4-[2-[(2S)-2- (methoxymethyl)morpholino]ethyl]-2-(3-hydroxy-4-methylbenzyl)piperazine dihydrochloride is obtained by debenzylating (2R)-4-benzyl-1-[3,5-bis(trifluoromethyl)-benzoyl]-2-(3-hydroxy-4-methylbenzyl)piperazine, then N-alkylating and converting to hydrochloride.
This invention relates to piperazine derivatives of the formula:
wherein each symbol is as defined in the description, and its pharmaceutically acceptable salt, to processes for preparation thereof, to pharmaceutical composition comprising the same, and to a use of the same for treating or preventing Tachykinin-mediated diseases in human being or animals.